2018 ICD-10-CM Diagnosis Code T23.742

Corrosion of third degree of multiple left fingers (nail), including thumb

The following code(s) above T23.742 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to T23.742:
  • S00-T88
    2018 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • T20-T25
    2018 ICD-10-CM Range T20-T25

    Burns and corrosions of external body surface, specified by site

    Includes
    • burns and corrosions of first degree [erythema]
    • burns and corrosions of second degree [blisters][epidermal loss]
    • burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]
    Use Additional
    • code from category T31 or T32 to identify extent of body surface involved
    Burns and corrosions of external body surface, specified by site
  • T23.7
    ICD-10-CM Diagnosis Code T23.7

    Corrosion of third degree of wrist and hand

      2016 2017 2018 Non-Billable/Non-Specific Code
    Code First
    • (T51-T65) to identify chemical and intent
    Use Additional
    • external cause code to identify place (Y92)
    Corrosion of third degree of wrist and hand
Code History

Diagnosis Index entries containing back-references to T23.742:

ICD-10-CM Codes Adjacent To T23.742
T23.732S …… sequela
T23.739 Corrosion of third degree of unspecified multiple fingers (nail), not including thumb
T23.739A …… initial encounter
T23.739D …… subsequent encounter
T23.739S …… sequela
T23.74 Corrosion of third degree of multiple fingers (nail), including thumb
T23.741 Corrosion of third degree of multiple right fingers (nail), including thumb
T23.741A …… initial encounter
T23.741D …… subsequent encounter
T23.741S …… sequela
T23.742 Corrosion of third degree of multiple left fingers (nail), including thumb
T23.742A …… initial encounter
T23.742D …… subsequent encounter
T23.742S …… sequela
T23.749 Corrosion of third degree of unspecified multiple fingers (nail), including thumb
T23.749A …… initial encounter
T23.749D …… subsequent encounter
T23.749S …… sequela
T23.75 Corrosion of third degree of palm
T23.751 Corrosion of third degree of right palm
T23.751A …… initial encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.